Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 336 J 80 J 4.2 J 2268 J 336 J 80 J 4.2 J 2268 J ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of momentum Conservation of mass Conservation of charge Conservation of energy Conservation of momentum Conservation of mass Conservation of charge Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel through Solid Vacuum Liquid Gas Solid Vacuum Liquid Gas ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Increases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Decreases with decrease of temperature Increases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Decreases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because they can detect faint galaxies which no optical telescope can they can work even in cloudy conditions All of these they can work during the day and night they can detect faint galaxies which no optical telescope can they can work even in cloudy conditions All of these they can work during the day and night ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become C 14C 7C C/7 C 14C 7C C/7 ANSWER DOWNLOAD EXAMIANS APP